public abstract fun isValid(): Boolean
    public abstract fun getInvalidationReason(): String

    public abstract fun isAccessible(): Boolean
    public abstract fun getInaccessibilityReason(): String
}

public typealias KtLifetimeToken = KaLifetimeToken

public abstract class KaLifetimeTokenFactory {
    public abstract val identifier: KClass<out KaLifetimeToken>

        error("Getting invalidation reason for valid validity token")
    }

    override fun isAccessible(): Boolean {
        return true
    }

    override fun getInaccessibilityReason(): String {
        error("Getting inaccessibility reason for validity token when it is accessible")
    }
}

public object KotlinAlwaysAccessibleLifetimeTokenFactory : KaLifetimeTokenFactory() {

        if (!permissionChecker.isAnalysisAllowed()) return false

        return lifetimeTracker.currentToken == this
    }

    override fun getInaccessibilityReason(): String {
        if (!ApplicationManager.getApplication().isReadAccessAllowed) return "Called outside a read action."

        if (!permissionChecker.isAnalysisAllowed()) return permissionChecker.getRejectionReason()